201233420552 has 64 divisors (see below), whose sum is σ = 392765932800. Its totient is φ = 96571837440.

The previous prime is 201233420537. The next prime is 201233420573. The reversal of 201233420552 is 255024332102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31822463 + ... + 31828785.

It is an arithmetic number, because the mean of its divisors is an integer number (6136967700).

Almost surely, 2^201233420552 is an apocalyptic number.

It is an amenable number.

201233420552 is a deficient number, since it is larger than the sum of its proper divisors (191532512248).

201233420552 is a wasteful number, since it uses less digits than its factorization.

201233420552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7806 (or 7802 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 201233420552 its reverse (255024332102), we get a palindrome (456257752654).

The spelling of 201233420552 in words is "two hundred one billion, two hundred thirty-three million, four hundred twenty thousand, five hundred fifty-two".